sie of coal from a ball mill in india

The relative abundance of coal in India compared to other fossil fuels makes it ... production from LVCC is about 16 to 18 mt per year, and is primarily used for ..... 1 kg of coal sample was taken and crushed to pass through 4.75mm sieve. ... The 50gm Sample was taken in a ball mill along with 8 iron balls having diameter of. Read more